package com.util;


import java.io.IOException;
import java.util.Iterator;
import java.util.Map;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;

public class HttpClientUtil {


	public static String httpReader(String url, String code){
		System.out.println("GetPage:"+url);

		HttpClient client = new HttpClient();
		GetMethod method = new GetMethod(url);	

		String result = null;
		try {
			client.executeMethod(method);
			int status = method.getStatusCode();
			if (status == HttpStatus.SC_OK) {
				result = method.getResponseBodyAsString();
			} else {
				System.out.println("Method failed: " + method.getStatusLine());
			}
		} catch (HttpException e) {
			System.out.println("Please check your provided http address!");
			e.printStackTrace();
		} catch (IOException e) {
			System.out.println("IOException:"+e.getMessage());
			e.printStackTrace();
		} finally{
			if(method!=null)method.releaseConnection();
			method = null;
			client = null;
		}
		return result;
	}

	public static String httpGet(String url,String code) {
		System.out.println("GetPage:"+url);
		String content = null;
		HttpClient httpClient = new HttpClient();
		httpClient.getParams().setParameter(HttpMethodParams.USER_AGENT,"Mozilla/5.0 (X11; U; Linux i686; zh-CN; rv:1.9.1.2) Gecko/20090803 Fedora/3.5.2-2.fc11 Firefox/3.5.2");
		GetMethod method = new GetMethod(url);
		try {
			int statusCode = httpClient.executeMethod(method);
			System.out.println("httpClientUtils::statusCode="+statusCode);
			System.out.println(method.getStatusLine());
			content = new String(method.getResponseBody(), code);

		} catch (Exception e) {
			System.out.println("time out");
			e.printStackTrace();
		} finally {
			if(method!=null)method.releaseConnection();
			method = null;
			httpClient = null;
		}
		return content;
	}

	public static String httpPost(String url, Map paramMap, String code) {
		try {
			System.out.println("GetPage:"+url);
			String content = null;

			HttpClient httpClient = new HttpClient();
			httpClient.getParams().setParameter(HttpMethodParams.USER_AGENT,"Mozilla/5.0 (X11; U; Linux i686; zh-CN; rv:1.9.1.2) Gecko/20090803 Fedora/3.5.2-2.fc11 Firefox/3.5.2");//

			PostMethod method = new PostMethod(url);
			if(paramMap != null){
				Iterator it = paramMap.keySet().iterator();
				while (it.hasNext()) {
					String key = it.next() + "";
					Object o = paramMap.get(key);
					if (o != null && o instanceof String) {
						method.addParameter(new NameValuePair(key, o.toString()));
					}
					if (o != null && o instanceof String[]) {
						String[] s = (String[]) o;
						if (s != null)
							for (int i = 0; i < s.length; i++) {
								method.addParameter(new NameValuePair(key, s[i]));
							}
					}
				}
			}
			try {

				int statusCode = httpClient.executeMethod(method);

				System.out.println("httpClientUtils::statusCode="+statusCode);

				System.out.println(method.getStatusLine());
				content = new String(method.getResponseBody(), code);

			} catch (Exception e) {
				System.out.println("time out");
				e.printStackTrace();
			} finally {
				if(method!=null)method.releaseConnection();
				method = null;
				httpClient = null;
			}
			return content;
		}catch (Exception e) {
			return "";
		}

	}

	public static String httpPost(String url, Map paramMap, String chaset,String remark) {
		return HttpClientUtil.httpPost(url, paramMap, chaset);
	}
}
